Tyler is conducting an experiment in order to determine the effect that fertilizer A and fertilizer B have on grass. He conducts multiple trials and concludes that the grass grows better using fertilizer A. How could Tyler make sure his results were trustworthy?

Group of answer choices

A. Another scientist could reproduce the same experiment.

B. Another scientist could offer suggestions to make the experiment better.

C. Tyler could add a third fertilizer to his experiment.

D. Tyler could change the amount of water the grass received

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.